Weather Records on 1 September 1997

1,161 weather records were set or tied worldwide on 1 September 1997. Highest significance: Valley City 3 NNW, US.

Key Facts for 1 September 1997

On 1 September 1997, 1,161 weather records were set or tied at long-record stations worldwide.
494 were record highs and 210 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 108 monthly and 1,052 daily.
Valley City 3 NNW set a daily record precipitation of 77.0 mm (3.0 in) on 1 September 1997.
Across 161 earlier years (1797 to 2026) the same calendar date averaged 437 records.

Record Map

1,161 stations

1,161 station records on 1 September 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 September 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Valley City 3 NNW	United States	Record daily precipitation	77.0 mm (3.0 in)	80 of 100 (Exceptional)
Steele 4N	United States	Record daily precipitation	109.2 mm (4.3 in)	71 of 100 (Major)
Mossman South Alchera Drive	Australia	Record daily precipitation	77.4 mm (3.0 in)	69 of 100 (Major)
Pooncarie (Karpa Kora Station)	Australia	Record daily precipitation	31.6 mm (1.2 in)	64 of 100 (Major)
Honokaa Town 215	United States	Record daily precipitation	80.0 mm (3.1 in)	63 of 100 (Major)
Meringa Sugar Exp STN	Australia	Record daily precipitation	74.6 mm (2.9 in)	62 of 100 (Major)
Kingoonya	Australia	Record daily precipitation	32.2 mm (1.3 in)	60 of 100 (Major)
Julatten	Australia	Record daily precipitation	33.4 mm (1.3 in)	60 of 100 (Major)
Mossman Central Mill	Australia	Record daily precipitation	93.8 mm (3.7 in)	60 of 100 (Major)
Lingen	Germany	Record daily precipitation	48.7 mm (1.9 in)	60 of 100 (Major)
Salida	United States	Record daily precipitation	29.0 mm (1.1 in)	60 of 100 (Major)
Dar Es Salaam Airpo	Tanzania	Record daily precipitation	89.9 mm (3.5 in)	59 of 100 (Notable)
Mount Olive	Australia	Record daily precipitation	25.8 mm (1.0 in)	58 of 100 (Notable)
Andrews (Geralka)	Australia	Record daily precipitation	44.4 mm (1.7 in)	54 of 100 (Notable)
Halifax Macrossan St	Australia	Record daily precipitation	44.0 mm (1.7 in)	53 of 100 (Notable)
Elsdorf/Erftkreis	Germany	Record daily precipitation	37.0 mm (1.5 in)	53 of 100 (Notable)
Tonisvorst	Germany	Record daily precipitation	33.4 mm (1.3 in)	53 of 100 (Notable)
Lorentzweiler	Luxembourg	Record daily precipitation	35.2 mm (1.4 in)	53 of 100 (Notable)
Low Isles Lighthouse	Australia	Record daily precipitation	40.2 mm (1.6 in)	52 of 100 (Notable)
Novogrudok	Belarus	Record daily precipitation	30.8 mm (1.2 in)	52 of 100 (Notable)
Altrier	Luxembourg	Record daily precipitation	35.1 mm (1.4 in)	52 of 100 (Notable)
Verona	United States	Record daily precipitation	43.2 mm (1.7 in)	52 of 100 (Notable)
Kehmen-Diekirch	Luxembourg	Record daily precipitation	37.2 mm (1.5 in)	51 of 100 (Notable)
Winona	United States	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Macknade Sugar Mill	Australia	Record daily precipitation	49.0 mm (1.9 in)	49 of 100 (Notable)
Carinda Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Cardwell Marine Pde	Australia	Record daily precipitation	37.0 mm (1.5 in)	47 of 100 (Notable)
Mathinna (Fingal Road)	Australia	Record daily precipitation	74.4 mm (2.9 in)	47 of 100 (Notable)
Bol'sie-Uki	Russia	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Springview 2NW	United States	Record daily precipitation	41.1 mm (1.6 in)	47 of 100 (Notable)
Woomera (Mahanewo)	Australia	Record daily precipitation	27.8 mm (1.1 in)	46 of 100 (Notable)
Whyanbeel Valley	Australia	Record daily precipitation	85.4 mm (3.4 in)	46 of 100 (Notable)
Flying Fish Point	Australia	Record daily precipitation	36.0 mm (1.4 in)	46 of 100 (Notable)
St Helens Post Office	Australia	Record daily precipitation	44.2 mm (1.7 in)	46 of 100 (Notable)
Notodden	Norway	Record daily precipitation	45.0 mm (1.8 in)	46 of 100 (Notable)
Gackle	United States	Record daily precipitation	61.5 mm (2.4 in)	46 of 100 (Notable)
Avoca (Railway House)	Australia	Record daily precipitation	25.0 mm (1.0 in)	45 of 100 (Notable)
Pyengana (Forest Lodge Road)	Australia	Record daily precipitation	84.0 mm (3.3 in)	45 of 100 (Notable)
Wangerooge	Germany	Record daily precipitation	32.7 mm (1.3 in)	45 of 100 (Notable)
Ermsdorf	Luxembourg	Record daily precipitation	26.9 mm (1.1 in)	45 of 100 (Notable)
Lumpkin 2 SE	United States	Record low minimum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Courtenay 1 NW	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
La Moure	United States	Record daily precipitation	52.1 mm (2.1 in)	45 of 100 (Notable)
Port Douglas - Warner St	Australia	Record daily precipitation	55.2 mm (2.2 in)	44 of 100 (Notable)
Home Hill Post Office	Australia	Record daily precipitation	30.8 mm (1.2 in)	44 of 100 (Notable)
Jamestown State Hosp	United States	Record daily precipitation	99.3 mm (3.9 in)	44 of 100 (Notable)
Gordonvale Post Office	Australia	Record daily precipitation	35.0 mm (1.4 in)	43 of 100 (Notable)
Lida	Belarus	Record daily precipitation	37.8 mm (1.5 in)	43 of 100 (Notable)
Simao	China	Record daily precipitation	71.2 mm (2.8 in)	43 of 100 (Notable)
Olsdorf	Germany	Record daily precipitation	35.8 mm (1.4 in)	43 of 100 (Notable)
Adjuntas 2 NW	Puerto Rico [United States]	Record daily precipitation	147.8 mm (5.8 in)	43 of 100 (Notable)
Townsville Railway STN	Australia	Record daily precipitation	35.0 mm (1.4 in)	41 of 100 (Notable)
South Mount Cameron (Gladstone	Australia	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Vestervig	Denmark	Record high minimum temperature	15.3 C (59.5 F)	41 of 100 (Notable)
St Marys (Cullenswood)	Australia	Record daily precipitation	26.0 mm (1.0 in)	40 of 100 (Notable)
Altotonga	Mexico	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Faerder Fyr	Norway	Record high minimum temperature	18.8 C (65.8 F)	40 of 100 (Notable)
Vikulovo	Russia	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Gigant	Russia	Record daily precipitation	43.6 mm (1.7 in)	40 of 100 (Notable)
Mtn Pass	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,161 records

Records set or tied on 1 September 1997 by type: Highest daily maximum 238, Lowest daily maximum 95, Highest daily minimum 256, Lowest daily minimum 115, Heaviest daily rainfall 457.

Records on 1 September 1997 by type
Record type	Records
Highest daily maximum	238
Lowest daily maximum	95
Highest daily minimum	256
Lowest daily minimum	115
Heaviest daily rainfall	457
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 September 1997 by timescale: all-time 1, monthly 108, daily 1,052.

How Much Records Were Beaten By

950 broken records

Margins by which the 950 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 106.4. Ties are not counted.

Top 20 by Significance

1 September 1997

Top 20 records on 1 September 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 September 1997	Valley City 3 NNW, US	daily rain	77.0 mm (3.0 in)	61.5 mm (2.4 in)	100 years	80 of 100 (Exceptional)
1 September 1997	Steele 4N, US	daily rain	109.2 mm (4.3 in)	64.7 mm (2.5 in)	71 years	71 of 100 (Major)
1 September 1997	Mossman South Alchera Drive, AU	daily rain	77.4 mm (3.0 in)	67.2 mm (2.6 in)	72 years	69 of 100 (Major)
1 September 1997	Pooncarie (Karpa Kora Station), AU	daily rain	31.6 mm (1.2 in)	17.6 mm (0.7 in)	94 years	64 of 100 (Major)
1 September 1997	Honokaa Town 215, US	daily rain	80.0 mm (3.1 in)	66.3 mm (2.6 in)	55 years	63 of 100 (Major)
1 September 1997	Meringa Sugar Exp STN, AU	monthly rain	74.6 mm (2.9 in)	33.2 mm (1.3 in)	21 years	62 of 100 (Major)
1 September 1997	Kingoonya, AU	daily rain	32.2 mm (1.3 in)	27.1 mm (1.1 in)	40 years	60 of 100 (Major)
1 September 1997	Julatten, AU	daily rain	33.4 mm (1.3 in)	21.5 mm (0.8 in)	46 years	60 of 100 (Major)
1 September 1997	Mossman Central Mill, AU	monthly rain	93.8 mm (3.7 in)	25.2 mm (1.0 in)	49 years	60 of 100 (Major)
1 September 1997	Lingen, DE	daily rain	48.7 mm (1.9 in)	27.1 mm (1.1 in)	48 years	60 of 100 (Major)
1 September 1997	Salida, US	daily rain	29.0 mm (1.1 in)	20.4 mm (0.8 in)	62 years	60 of 100 (Major)
1 September 1997	Dar Es Salaam Airpo, TZ	monthly rain	89.9 mm (3.5 in)	35.9 mm (1.4 in)	19 years	59 of 100 (Notable)
1 September 1997	Mount Olive, AU	daily rain	25.8 mm (1.0 in)	22.0 mm (0.9 in)	46 years	58 of 100 (Notable)
1 September 1997	Andrews (Geralka), AU	daily rain	44.4 mm (1.7 in)	28.7 mm (1.1 in)	36 years	54 of 100 (Notable)
1 September 1997	Halifax Macrossan St, AU	daily rain	44.0 mm (1.7 in)	23.4 mm (0.9 in)	91 years	53 of 100 (Notable)
1 September 1997	Elsdorf/Erftkreis, DE	daily rain	37.0 mm (1.5 in)	21.0 mm (0.8 in)	36 years	53 of 100 (Notable)
1 September 1997	Tonisvorst, DE	daily rain	33.4 mm (1.3 in)	21.4 mm (0.8 in)	40 years	53 of 100 (Notable)
1 September 1997	Lorentzweiler, LU	daily rain	35.2 mm (1.4 in)	26.7 mm (1.1 in)	31 years	53 of 100 (Notable)
1 September 1997	Low Isles Lighthouse, AU	daily rain	40.2 mm (1.6 in)	28.2 mm (1.1 in)	23 years	52 of 100 (Notable)
1 September 1997	Novogrudok, BY	daily rain	30.8 mm (1.2 in)	25.5 mm (1.0 in)	32 years	52 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1797 to 1997

Records set or tied on this calendar date in each year from 1797 to 1997. 1997 had 1,161 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-01 in each year
Year	Records
1797	1
1806	1
1819	1
1827	1
1831	1
1838	1
1851	1
1853	1
1854	1
1857	1
1858	1
1859	1
1860	2
1861	1
1865	1
1866	1
1867	2
1869	3
1871	1
1873	1
1876	2
1877	2
1878	3
1879	2
1881	5
1883	1
1886	3
1887	3
1888	2
1890	2
1892	2
1894	3
1897	4
1898	10
1899	3
1900	2
1901	14
1902	5
1903	16
1904	9
1905	6
1906	26
1907	14
1908	26
1909	34
1910	22
1911	16
1912	47
1913	32
1914	23
1915	46
1916	16
1917	24
1918	31
1919	19
1920	31
1921	46
1922	67
1923	75
1924	210
1925	127
1926	182
1927	136
1928	166
1929	324
1930	264
1931	233
1932	550
1933	622
1934	654
1935	584
1936	385
1937	502
1938	373
1939	303
1940	333
1941	497
1942	532
1943	578
1944	377
1945	497
1946	642
1947	555
1948	460
1949	1,102
1950	849
1951	668
1952	644
1953	937
1954	407
1955	413
1956	504
1957	320
1958	427
1959	519
1960	408
1961	531
1962	368
1963	416
1964	621
1965	657
1966	596
1967	1,263
1968	604
1969	493
1970	502
1971	464
1972	518
1973	874
1974	895
1975	939
1976	627
1977	500
1978	809
1979	459
1980	671
1981	649
1982	642
1983	1,167
1984	619
1985	901
1986	964
1987	909
1988	651
1989	823
1990	749
1991	687
1992	1,010
1993	1,122
1994	1,291
1995	1,165
1996	823
1997	1,161
1998	1,159
1999	925
2000	1,613
2001	904
2002	778
2003	1,254
2004	827
2005	901
2006	1,157
2007	976
2008	1,204
2009	1,003
2010	1,313
2011	1,071
2012	874
2013	775
2014	515
2015	661
2016	522
2017	686
2018	399
2019	800
2020	689
2021	751
2022	1,016
2023	720
2024	938
2025	359
2026	521

Download the Data

Data for records on 1997-09-01: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	889
20 to 40	51
40 to 60	3
60 to 80	6
80 to 100	0
100 to 120	1